package me.dbest.test.android.first;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Toast;

public class ConvertActivity extends Activity {
	
	private EditText text;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        text = (EditText) findViewById(R.id.editText1);
    }
    
    
    
 // This method is called at button click because we assigned the name to the
 	// "On Click property" of the button
 	public void myClickHandler(View view) {
 		switch (view.getId()) {
 		case R.id.button1:
 			RadioButton celsiusButton = (RadioButton) findViewById(R.id.radio0);
 			RadioButton fahrenheitButton = (RadioButton) findViewById(R.id.radio1);
 			if (text.getText().length() == 0) {
 				Toast.makeText(this, "Please enter a valid number",
 						Toast.LENGTH_LONG).show();
 				return;
 			}

 			float inputValue = Float.parseFloat(text.getText().toString());
 			if (celsiusButton.isChecked()) {
 				text.setText(String
 						.valueOf(convertFahrenheitToCelsius(inputValue)));
 				celsiusButton.setChecked(false);
 				fahrenheitButton.setChecked(true);
 			} else {
 				text.setText(String
 						.valueOf(convertCelsiusToFahrenheit(inputValue)));
 				fahrenheitButton.setChecked(false);
 				celsiusButton.setChecked(true);
 			}
 			break;
 		}
 	}

 	// Converts to celsius
 	private float convertFahrenheitToCelsius(float fahrenheit) {
 		return ((fahrenheit - 32) * 5 / 9);
 	}

 	// Converts to fahrenheit
 	private float convertCelsiusToFahrenheit(float celsius) {
 		return ((celsius * 9) / 5) + 32;
 	}
}